during his google chat, one person asked the president why the u.s. still mints pennies when so many economists agree they are economically inefficient. the president said while it wouldn't be a huge savings for the government, it should be changed. >> i will tell you that you're right. this is not going to be a huge savings for government, but anytime we're spending more money on something that people don't actually use, that's an example of something we should probably change. it's very hard to get rid of things that don't work so that we can then invest in the things that do. and the penny ends up being, i think, a good metaphor for some of the larger problems that we've got. >> so much for hope and change. anyway, there is some change he does not believe in. >>> finally, russian residents woke up to a huge fireball across the sky this morning, resulting in a powerful blast that injured about 400 people. early russian reports say the fireball was caused by a meteorite. according to the associated press, the interior ministry says the fireball cause